.rm {
  position: fixed;
  bottom: 70px;
  right: 0;
  z-index: 999;
}

.rm-item {
  display: block;
  width: 84px;
  height: 92px;
  background-color: #fff;
  padding-top: 14px;
  color: #757575;
  text-align: center;
  border: 1px solid #f5f5f5;
  border-top: 0;
}

.rm-item:last-child {
  margin-top: 18px;
  border-top: 1px solid #f5f5f5;
}

.rm-item-app {
  border-top: 1px solid #f5f5f5;
}

.rm-item .iconfont {
  display: block;
  font-size: 30px;
}

.rm-item-app:hover .rm-item-pop {
  display: block;
}

.rm-item-app .rm-item-pop {
  position: absolute;
  top: 0;
  right: 90px;
  padding: 14px;
  background-color: #fff;
  border: 1px solid #f5f5f5;
  display: none;
}

.rm-item-app .rm-item-pop img {
  width: 100px;
  height: 100px;
  margin-bottom: 8px;
}

/* 三角形 */
/* 之前用w0,h0,边框透明来做 */
/* 现在用正方形旋转来做 */
.rm-item-pop::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 18%;
  width: 10px;
  height: 10px;
  /* 将图形旋转45° */
  transform: rotate(45deg);
  background-color: #fff;
  border-top: 1px solid #f5f5f5;
  border-right: 1px solid #f5f5f5;
}

.rm-item:hover p {
  color: #757575;
}